Males arrive at the breeding site before females, with most pairs nesting in February and March (7) (8). A single egg is laid (7), as with all albatrosses, and both parents incubate the egg in stints that last a week (8). The chick hatches after 80 days, is brooded for a month and fledges after approximately 235 days (7) (8). The chick is fed initially every three days by its parents and, at the peak of weight gain, will weigh more than its parents (8). Individuals reach sexual maturity at around nine years, although they often return to the island a few years before then (7) (8). Average life expectancy is 30 to 40 years (6). Due to its rarity the exact diet of this albatross is unknown but is thought to probably consist of fish, squid and crustaceans (2) (6).
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